Threaded Adapters
This page represents the adapters that we stock.
Many other configurations, styles and threads are available on a special order
basis.
To find your adapter, first click on the picture that
represents your needs. That will take you to the correct table of
adapters.
Adapters that have
fire hose threads on both ends will be highlighted in yellow.
Adapters that are not highlighted in yellow will have tapered
iron pipe threads on one end and fire hose threads on the other.
Please Note: 3/4" NST is also known as Garden Hose
Thread (GHT)
Also Note: NST (National Standard
Thread) designation has been superceded by the designation NH (National Hose).
Older fittings that are stamped "NST" are now being stamped "NH".
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Type 35
Double Female Swivel |
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Type 36
Double Male |
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Type 37
Female x Male |
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Type 53
Female Swivel x Rigid Female |
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Type 54
Swivel Female x Male |
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Caps &Plugs |
Swivel side is always
NH |
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Female is always NH |
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Type 35 - Double Female Adapters
Size |
Thread |
Size |
Thread |
Item # |
1" |
NH |
1" |
NH |
RH3511 |
1-1/2" |
NH |
1-1/2" |
NH |
RH351515 |
2-1/2" |
NH |
2-1/2" |
NH |
RH352525 |
Type 36 - Double Male Adapters
Size |
Thread |
Size |
Thread |
Item # |
1" |
NH |
1" |
NH |
RH3611 |
1" |
NH |
1" |
NPT |
RH3611PF |
1-1/2" |
NH |
1-1/2" |
NH |
RH361515 |
1-1/2" |
NH |
1-1/2" |
NPT |
RH361515PF |
1-1/2" |
NPT |
2-1/2" |
NH |
RH362515PF |
2" |
NPT |
1-1/2" |
NH |
RH36215PF |
2" |
NPT |
2-1/2" |
NH |
RH36225PF |
2-1/2" |
NH |
2-1/2" |
NH |
RH362525 |
2-1/2" |
NH |
2-1/2" |
NPT |
RH362525PF |
3" |
NPT |
2-1/2" |
NH |
RH36325PF |
Type 37 - Female to Male Adapters
Female Size |
Thread |
Male Size |
Thread |
Item # |
1" |
NPT |
1" |
NH |
RH3711PF |
1" |
NH |
3/4" |
NH |
RH37134 |
1" |
NH |
1" |
NPT |
RH3711RV |
1" |
NH |
1-1/2" |
NH |
RH37115 |
1-1/2" |
NH |
3/4" |
NH |
RH371534 |
1-1/2" |
NH |
1-1/2" |
NH |
RH371515RV |
1-1/2" |
NH |
1" |
NH |
RH37151 |
1-1/2" |
NH |
2-1/2" |
NH |
RH371525 |
1-1/2" |
NPT |
1-1/2" |
NH |
RH371515PF |
2" |
NPT |
1-1/2" |
NH |
RH37215PF |
2" |
NPT |
2-1/2" |
NH |
RH37225PF |
2-1/2" |
NPT |
2-1/2" |
NH |
RH372525PF |
2-1/2" |
NH |
1-1/2" |
NH |
RH372515 |
2-1/2" |
NH |
3/4" |
NH |
RH372534 |
2-1/2" |
NH |
2-1/2" |
NPT |
RH372525PF |
3" |
NPT |
2-1/2" |
NH |
RH37325PF |
Type 53 - Female
Swivel x Rigid Female
Rigid Side |
Thread |
Swivel
Side |
Thread |
Item # |
2" |
NPT |
2-1/2" |
NH |
RH53225 |
2-1/2" |
NPT |
2-1/2" |
NH |
RH532525 |
3" |
NPT |
2-1/2" |
NH |
RH53325 |
Type 54 - Rigid Male x
Female Swivel
Rigid Side |
Thread |
Swivel
Side |
Thread |
Item # |
1-1/2" |
NPT |
1-1/2" |
NH |
RH541515 |
2" |
NPT |
2-1/2" |
NH |
RH54225 |
2-1/2" |
NPT |
2-1/2" |
NH |
RH542525 |
3" |
NPT |
2-1/2" |
NH |
RH54325 |
Caps and Plugs
Type |
Size |
Thread |
Item # |
Cap |
1" |
NH |
RHC10 |
Cap |
1-1/2" |
NH |
RHC15 |
Plug |
1-1/2" |
NH |
RHP15 |
Cap |
2-1/2" |
NH |
RHC25 |
Plug |
2-1/2" |
NH |
RHP25 |
NH |
=National Hose.
Previously designated National Standard Thread (NST) and
Chemical Hose Thread (CHT). |
NST |
=National Standard
Thread which is also Chemical Hose Thread (CHT) and
National Hose (NH). |
NPT |
=National Pipe Thread,
which is also Tapered Iron Pipe Thread (TIPT) |
NPSH |
=National Pipe Straight
Hose (Pipe thread pitch but uses a gasket instead of
tapered threads to achieve seal) Sometimes abbreviated as IPS |
RL |
=Rocker lug style
fitting |
PL |
=Pin Lug |
CP |
=Chrome plated |
BR |
=Brass |
AL |
=Aluminum |
SW |
=Swivel |
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